| BOSS Card | Drive Size | RAID levels | Stripe size | Virtual disk cache function | Maximum number of virtual disks | Maximum number of drives supported | Drive types | PCIe support | Disk cache policy | Support for Non-RAID disks | Cryptographic digital signature to verify firmware payload | Hot Plug |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BOSS S1 Adapter | M.2 devices are read-intensive with 240GB or 480GB capacity | RAID 1 and Non–RAID | Supports default 64K stripe size only“ | Write through | 1 | 2 | 6 Gbps M.2 SATA SSDs | Gen 2 | Drive default | Yes (supports up to two disks)” | ||
| BOSS S1 Modular | M.2 devices are read-intensive with 240GB or 480GB capacity | RAID 1 and Non–RAID | Supports default 64K stripe size only“ | Write through | 1 | 2 | 6 Gbps M.2 SATA SSDs | Gen 2 | Drive default | Yes (supports up to two disks)” | ||
| BOSS S2 | M.2 devices are read-intensive with 240GB or 480GB capacity | RAID 1 and Non–RAID | Supports default 64K stripe size only“ | Write through | 1 | 2 | 6 Gbps M.2 SATA SSDs | Gen 2 | Drive default | Yes (supports up to two disks)” | Yes | Yes |